(0 20 9 6 3)(1 5 2)(4 21 19 17 13)(7 11 8)(10 15 12)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (0 6 15)
(0 12 10 15 3)(1 5 2)(4 21 19 17 13)(6 20 9)(7 11 8)(14 18 16)
2: (4 17 13)
(0 12 10 15 3)(1 5 2)(4)(6 20 9)(7 11 8)(13)(14 18 16)(17 21 19)
3: (14 18 16)
(0 12 10 15 3)(1 5 2)(4)(6 20 9)(7 11 8)(13)(14)(16)(17 21 19)(18)
4: (3 10 15)
(0 12 10)(1 5 2)(3)(4)(6 20 9)(7 11 8)(13)(14)(15)(16)(17 21 19)(18)